Home / 1,497.73-2,248.57-1,279.75

Finding the Fourth Proportional to 1,497.73, 2,248.57 and 1,279.75

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Solution

The fourth proportional to 1,497.73, 2,248.57 and 1,279.75 is: 1,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.73 : 2,248.57 = 1,279.75 : x
  2. Step 2: Convert to fraction form
    1,497.73/2,248.57 = 1,279.75/x
  3. Step 3: Cross multiply
    1,497.73x = 2,248.57 × 1,279.75
  4. Step 4: Simplify right side
    1,497.73x = 2,877,610.66
  5. Step 5: Solve for x
    x = 2,877,610.66/1,497.73
  6. Step 6: Final answer
    x = 1,921.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.